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All Journal ELPOSYS: Jurnal Sistem Kelistrikan
Gumilang, Binar Surya Gumilang
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Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Analisis Kualitas Daya Beban 1-Fasa Non-Linear Pada Computer Assisted Test CPNS Gumilang, Binar Surya Gumilang; Masramdhani Saputra; Asfari Hariz Santoso; Saddani Djulihenanto
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 3 (2023): ELPOSYS vol. 10 no. 3 (2023)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v10i3.4443

Abstract

Along with technological advances in the digital era like today, which is growing faster, it has an impact on many fields. One field that has used a lot of technological developments is the CPNS Test which is based on the CAT (Computer Assisted Test) and uses many a lot of laptop/computer devices to support the implementation of the test. The many uses of computers, especially during the recruitment test, influence the quality of electrical power due to the typical character of the PC/laptop load, which is a non-linear single-phase load which results in neutral currents or currents containing harmonics. This is because the load on the pc/laptop has electronic components such as semiconductors where there is a switching process that creates an impure sinusoidal wave that causes harmonics. In the case study, the implementation of the CPNS CAT with the use of PC/laptop devices will certainly cause a fairly high THD and affect the electric current/power source. The thing that needs to be considered with a high THD and the supply of electricity from the generator is the effect on the performance of the generator and the influence of the generator’s lifetime. Briefly, the loading of the data is to reduce the derating generator set by 6,717 kVa so that the safe loading is 23.28 kVa with a maximum capacity of 30 kVa generator. Synchronous generator loading is recommended at 81% of its nominal value with a current THD of 50%.
Sistem Pengisian Baterai VRLA 200Ah 24V Pada Pembangkit Listrik Tenaga Surya 6x100 Wp di PPYD Al-Ikhlas, Singosari, Kabupaten Malang Gumilang, Binar Surya Gumilang; Djulihenanto, Saddani; Hermawan, Satria Luthfi; Andinia, Karenina Ledy; Wardania, Yasinta Ika
Elposys: Jurnal Sistem Kelistrikan Vol. 11 No. 3 (2024): ELPOSYS vol. 11 no. 3 (2024)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v11i3.6308

Abstract

The electricity tariff is considered quite high in Indonesia for certain circles. One of them is PPYD Al-Ikhlas, Singosari, Malang Regency who experienced this. To overcome this, an electricity plant originating from solar energy was built at PPYD Al-Ikhlas that has maximum power of 600wp. Solar power plant that generates 24 hours / 7 days a week need battery system for storage the directly unused energy. The battery used is a Solana brand VRLA battery with a capacity of 100Ah/12V in a number of 4 pieces arranged in series-parallel, bringing the total capacity to 200 Ah/24V. Based on this thought, design and build a battery charging system with the aim of determining the components to be used and knowing the performance of the battery charging system. For charging the battery itself, it has become one with inverter hybrid with a capacity of 2400 Watts. From the testing after the installation of the components that have been carried out, the results show that this battery charging system uses a four-stage charging system method. From the data obtained, it can be seen average efficiency is 80,88%. So the efficiency of charging the battery in PLTS is considered good based on the data.
Co-Authors Andinia, Karenina Ledy Asfari Hariz Santoso Djulihenanto, Saddani Hermawan, Satria Luthfi Masramdhani Saputra Saddani Djulihenanto Wardania, Yasinta Ika